Air treatment apparatus



FIG. 1 is a front view of an air treatment apparatus showing my new design;

FIG. 2 is a left side view thereof, the right side being a mirror image;

FIG. 3 is an enlarged top plan view thereof;

FIG. 4 is a front and left side perspective view thereof;

FIG. 5 is an enlarged underside view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a front view thereof showing the apparatus in an alternative position; and,

FIG. 8 is a front and left side perspective view of the apparatus in said alternate position. 

The ornamental design for an air treatment apparatus, as shown and described. 